Automatic Silver Contact Welding Machine for Circuit Breaker - High Precision, China Suppliers & Factory
Equipment Overview
The Automatic Silver Contact Welding Machine for Circuit Breaker is a versatile and high-efficiency welding system developed for the attachment of silver contact tips (silver contact points) onto conductive components in circuit breakers.
Silver contacts are critical components in circuit breakers, ensuring low electrical resistance, high conductivity, and long service life. The welding quality between the silver contact tip and the base material (copper or alloy contact) directly affects the electrical performance, temperature rise, and reliability of the final product.
This machine adopts advanced resistance spot welding technology, combined with precision positioning and intelligent control systems, to achieve consistent and reliable welding results. It supports automatic feeding, alignment, welding, and unloading, enabling continuous production.
Its compact structure allows easy integration into existing production lines, while its high-speed welding capability ensures improved production efficiency.
This machine is widely used in low-voltage electrical manufacturing industries, especially for companies seeking stable quality and high-volume production.
Main Functions
Application Scope
The equipment is widely used in the manufacturing of:
- Miniature Circuit Breakers (MCB)
- RCCB (Residual Current Circuit Breaker)
- RCBO (Residual Current Breaker with Overcurrent)
- Electrical contact components
- Low-voltage electrical devices
Technical Specifications
| Parameter | Specification |
|---|---|
| Welding Method | Medium Frequency Inverter Resistance Welding |
| Drive System | Servo Cylinder + Linear Guide Rail |
| Cycle Time | 30–40 pcs/min (depending on model) |
| Control System | PLC + 7" Touchscreen HMI |
| Power Supply | AC 380V / 50Hz |
| Welding Accuracy | ±0.02 mm |
| FPY (First Pass Yield) | 99% |
| OEE | 85% |
| Certificate | CE |
After-Sales Service & Support
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References & Case Studies


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